Advances in highly doped upconversion nanoparticles

Shihui Wen, Jiajia Zhou, Kezhi Zheng, Artur Bednarkiewicz (), Xiaogang Liu () and Dayong Jin ()
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Shihui Wen: University of Technology Sydney
Jiajia Zhou: University of Technology Sydney
Kezhi Zheng: National University of Singapore
Artur Bednarkiewicz: Polish Academy of Sciences
Xiaogang Liu: National University of Singapore
Dayong Jin: University of Technology Sydney

Nature Communications, 2018, vol. 9, issue 1, 1-12

Abstract: Abstract Lanthanide-doped upconversion nanoparticles (UCNPs) are capable of converting near-infra-red excitation into visible and ultraviolet emission. Their unique optical properties have advanced a broad range of applications, such as fluorescent microscopy, deep-tissue bioimaging, nanomedicine, optogenetics, security labelling and volumetric display. However, the constraint of concentration quenching on upconversion luminescence has hampered the nanoscience community to develop bright UCNPs with a large number of dopants. This review surveys recent advances in developing highly doped UCNPs, highlights the strategies that bypass the concentration quenching effect, and discusses new optical properties as well as emerging applications enabled by these nanoparticles.

Date: 2018
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DOI: 10.1038/s41467-018-04813-5

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